错误类型错误： 无法读取属性 'matches' 未定义 在 AppComponent_Template

Question

运行npm预render 时出现此错误

"prerender"："ng run universalTest：prerender--routesFile routes.txt">

ERROR TypeError: Cannot read property 'matches' of undefined   
at AppComponent_Template (main.js:1:3578009)   
at executeTemplate (main.js:1:1184365)  
at refreshView (main.js:1:1180793)  
at refreshComponent (main.js:1:1197151)  
at refreshChildComponents (main.js:1:1183043)  
at refreshView (main.js:1:1183085)   
at renderComponentOrTemplate (main.js:1:1184013)   
at tickRootContext (main.js:1:1198860)  
at detectChangesInRootView (main.js:1:1199254)   
at RootViewRef.detectChanges (distun√ Prerendering routes to browser complete.

Answer 1

在代码的某个地方，您正试图使用"匹配"；方法。